因为这里是永久冻土层，没有泉流和水井。当地人只得锯开冰冻小河来获得饮用水。
Because of the permafrost there are no any springs and Wells here, so the locals have to saw the "drinking water" out of small rivers.
特别是在农村地区更是如此，那里的饮用水是来自私人水井。
This is especially true in rural areas where drinking water comes from private wells.
在许多国家，从地下水源(水泉、水井和钻孔井)获取饮用水。
In many countries, drinking water is obtained from groundwater sources such as springs, Wells and boreholes.
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